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Finding the Fourth Proportional to 650,528.40, 975,938.40 and 251,133.60

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Solution

The fourth proportional to 650,528.40, 975,938.40 and 251,133.60 is: 376,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,528.40 : 975,938.40 = 251,133.60 : x
  2. Step 2: Convert to fraction form
    650,528.40/975,938.40 = 251,133.60/x
  3. Step 3: Cross multiply
    650,528.40x = 975,938.40 × 251,133.60
  4. Step 4: Simplify right side
    650,528.40x = 245,090,923,770.24
  5. Step 5: Solve for x
    x = 245,090,923,770.24/650,528.40
  6. Step 6: Final answer
    x = 376,756.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.